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Skip Navigation LinksDNREC : Division of Watershed Stewardship : Drainage and Stormwater Section



Flooding in DelawareFlood Mitigation Program Whether it’s caused by a hurricane, a northeaster, or even heavy rain, flooding is a year-round threat in Delaware. Just a few inches of rainfall can cause significant damage to homes and businesses.


Recent Floodplain Revision
DNREC’s Division of Watershed Stewardship performed a floodplain study and submitted a Letter of Map Revision (LOMR) to FEMA to revise the floodplain for the Tributary of South Branch Naaman Creek, generally located in the Brandywood and adjacent communities. The revision to the floodplain will be effective May 11, 2016.  

To view the Revised FEMA Flood Insurance Rate Maps use links below:
 Panel 10003C0059J
 Panel 10003C0078J

To view a Work Map with the existing and proposed 1 percent annual chance flood hazard which also includes aerial photography and property lines use the following link:
• Work Map


The following links provide a breakdown of the higher floodplain ordinance standards adopted by local municipalities:

The link below will take you to the Model Floodplain Management Ordinances:

The links below provide information on flooding and flood-related topics within the Division of Watershed Stewardship:



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